bp5320 ROHM Co. Ltd., bp5320 Datasheet

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bp5320

Manufacturer Part Number
bp5320
Description
Power Supply Pcmcia / Flash Memory
Manufacturer
ROHM Co. Ltd.
Datasheet
The BP5320 is a DC / DC converter for supplying power to PCMCIA flash memory. From a power supply (+5V) for
PCMCIA operations, the IC supplies a voltage for programming operations (+12V). Compact and thin surface-mounted
package with embossing tape for automatic mounting.
FApplications
Personal computers, CD-ROM players, portable information devices, and other PCMCIA-slot equipped devices
FFeatures
1) Designed to provide power to PCMCIA programming
2) The 5V operating voltage is same as the IC memory
3) The large current enables power to be supplied to
FAbsolute maximum ratings (Ta=25_C)
FBlock diagram
Regulator ICs
Power supply PCMCIA / flash
memory
BP5320
operations.
card operating voltage.
sound ICs.
4) Compact and thin SMD package.
5) Supplied with embossing tape for automatic mount-
6) Built-in short-circuit protection circuit.
ing by the mounter.
29

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bp5320 Summary of contents

Page 1

... Power supply PCMCIA / flash memory BP5320 The BP5320 converter for supplying power to PCMCIA flash memory. From a power supply (+5V) for PCMCIA operations, the IC supplies a voltage for programming operations (+12V). Compact and thin surface-mounted package with embossing tape for automatic mounting. ...

Page 2

... Regulator ICs FElectrical characteristics (unless otherwise noted, Ta=25_C and V FMeasurement circuit FPin descriptions 30 =5V) CTL BP5320 ...

Page 3

... In particular, make sure to mini- mize the impedance between the input-side capacitor (C1) and pin 5. a length less than 50mm is recommended for a copper foil of 1.0mm wide and 35 m thick. (2) Avoid frequent switching using the ON / OFF CTL pin (five times per second at the maximum). BP5320 31 ...

Page 4

... Regulator ICs FElectrical characteristics curve FExternal dimensions (Units: mm) S The soldering used inside the unit is equivalent to H63 solder will remelt during reflow. Be sure not to subject the unit to any vibrations when passing through the reflow furnace. 32 BP5320 ...

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